package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;

/**
 * @author study
 * @version 1.0
 * @date 2021/5/10 15:07
 */

/**
 * 集中处理异常
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValid(MethodArgumentNotValidException e) {

        log.error("数据校验出现异常{},异常类型{}", e.getMessage(), e.getClass());
        final BindingResult bindingResult = e.getBindingResult();
        HashMap errorMap = new HashMap<>(5);
        bindingResult.getFieldErrors().forEach(fieldError -> {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VAILD_EXCEPTION.getCode(), BizCodeEnum.VAILD_EXCEPTION.getMessage())
                .put("data", errorMap);
    }


    @ExceptionHandler(value = Exception.class)
    public R handleException(Exception e) {
        log.error("数据校验出现异常{},异常类型{}", e.getMessage(), e.getClass());
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMessage());
    }
}
